Home / 746,798,439.60-1,120,197,659.40-315,920,948.40

Finding the Fourth Proportional to 746,798,439.60, 1,120,197,659.40 and 315,920,948.40

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Solution

The fourth proportional to 746,798,439.60, 1,120,197,659.40 and 315,920,948.40 is: 473,881,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,798,439.60 : 1,120,197,659.40 = 315,920,948.40 : x
  2. Step 2: Convert to fraction form
    746,798,439.60/1,120,197,659.40 = 315,920,948.40/x
  3. Step 3: Cross multiply
    746,798,439.60x = 1,120,197,659.40 × 315,920,948.40
  4. Step 4: Simplify right side
    746,798,439.60x = 353,893,906,953,108,160
  5. Step 5: Solve for x
    x = 353,893,906,953,108,160/746,798,439.60
  6. Step 6: Final answer
    x = 473,881,422.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.